Soldiers walk in front of an Israeli police station that was damaged during battles to dislodge Hamas militants. Israel's prime minister has warned of a "long and difficult" war, as fighting with Hamas left hundreds killed on both sides after a surprise attack on Israel by the Palestinian militant group on Saturday. Photoraph: Jack Guez/AFP via Getty Images Israel has fought multiple wars against Arab countries and Palestinian groups since the establishment of the Jewish state in 1948. Here is a timeline of the main conflicts. Israeli infantry attack Egyptian forces in the Negev area of Israel in 1948. Photograph:...